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| Titel: |
Spring Time and Fall Time Effects of 1,25-Dihydroxyvitamin D3, Cobalt (II) and (CoCl2(1,25(OH)2D3)4) Complex on Renal and Cerebral Enzymatic Markers in Rats |
| Auteur: |
Thanh, X Do Coquin, A-S Said, M. Khan, M. A. Bouet, G. |
| Verschenen in: |
Biological rhythm research |
| Paginering: | Jaargang 27 (1996) nr. 1 pagina's 105-112 |
| Jaar: |
1996-02 |
| Inhoud: |
In this work, we studied the chronesthesia of 1,25-dihydroxyvitamin D 3 (1,25(OH) 2 D 3 ), cobalt (II) chloride and of the complex [CoCl 2 (1,25(OH) 2 D 3 ) 4 ]. The study was carried out in spring and autumn on AP and ?-GT activities in brain and kidney of rats during the rodents' active period. In rat brain, in both seasons, 1,25(OH) 2 D 3 enhanced AP activity by 59 % in spring and 21 % in autumn and ?-GT by 39 and 35 % respectively. Cobalt (II) stimulated AP activity by 34 and 29 % respectively. The complex was mainly active on ?-GT activity (70 and 36 %) showing a synergic effect on ?-GT activity in June. In rat kidney, during spring, the induction of AP activity for 1,25(OH) 2 D 3 , cobalt (II) chloride and their complex was, respectively 21, 18 and 12 %. The ?-GT activity was not modified during this period, whereas in autumn, it was inhibited by -33, -50 and -28 %. The AP activity in autumn was not altered. We conclude that the effects on the two enzymatic markers of the three compounds 1,25(OH) 2 D 3 , cobalt (II) chloride and [CoCl 2 (1,25(OH) 2 D 3 ) 4 ] are quite different in Spring and Autumn, and this is explained on the basis of chronesthesia. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 9 van 9 gevonden artikelen
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